Support WBURStudy Finds Climate Change To Open Arctic Sea Routes By 2050Scott NeumanMarch 05, 2013 ShareAn iceberg in or just outside the Ilulissat fjord, which likely calved from Jakobshavn Isbrae, the fastest glacier in western Greenland, in May 2012. Polar ice sheets are now melting three times faster than in the 1990s. (AP)
